package org.example.book.mapper;

import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;
import org.apache.ibatis.annotations.Update;
import org.example.book.model.BookInfo;

import java.util.List;

@Mapper
public interface BookInfoMapper {
    //获取当前页信息
    @Select("select * from book_info where status!=0 order by id desc limit #{offset},#{pageSize}")
    List<BookInfo> selectBookInfoByPage(Integer offset, Integer pageSize);
    //获取总记录数
    @Select("select count(1) from book_info where status!=0")
    Integer count();
    //新增图书
    @Insert("insert into book_info (book_name,author,count,price,publish,status)" +
            "values (#{bookName},#{author},#{count},#{price},#{publish},#{status})")
    Integer insertBook(BookInfo bookInfo);

    @Select("select * from book_info where id =#{id}")
    BookInfo queryBookInfoById(Integer id);

    Integer updateBook(BookInfo bookInfo);

    Integer batchDelete(List<Integer> ids);
}
